solaar: 1.1.13 -> 1.1.14 and enable tests (#370122)

pkgs/by-name/so/solaar/package.nix

···
 # instead of adding this to `services.udev.packages` on NixOS,
 python3Packages.buildPythonApplication rec {
   pname = "solaar";
-  version = "1.1.13";
+  version = "1.1.14";
 
   src = fetchFromGitHub {
     owner = "pwr-Solaar";
     repo = "Solaar";
     tag = version;
-    hash = "sha256-sYJrVAeZi0a7yD0i/zIIxcu9X/c5HvgoI/n50eXD47s=";
+    hash = "sha256-cAM4h0OOXxItSf0Gb9PfHn385FXMKwvIUuYTrjgABwA=";
   };
 
   outputs = [
···
     pygobject3
     pyudev
     pyyaml
+    typing-extensions
     xlib
   ];
 
+  nativeCheckInputs = with python3Packages; [
+    pytestCheckHook
+    pytest-mock
+    pytest-cov
+  ];
+
   # the -cli symlink is just to maintain compabilility with older versions where
   # there was a difference between the GUI and CLI versions.
   postInstall = ''
···
     makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
   '';
 
-  # no tests
-  doCheck = false;
-
-  pythonImportsCheck = [ "solaar" ];
+  pythonImportsCheck = [
+    "solaar"
+    "solaar.gtk"
+  ];
 
   meta = with lib; {
     description = "Linux devices manager for the Logitech Unifying Receiver";